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Spectrum Raku glazes were developed for firing either in electric or gas kilns. Eleven of the Spectrum Raku Glazes are lead free & non toxic 850, 851, 851,
854, 856,871,872,873,874,875,877,878. All of the rest are lead-free, but are over the threshold limit for copper and are therefore not non-toxic in the liquid state.
All Spectrum Raku glazes are available in 4 oz, 16 oz pints, Gallons, and 10# dry. Currently, Stone Leaf only stocks 4 oz jars, but pints, Gallons, and dry are available by special order.
Visit Spectrum Raku Glazes for more information on firing their glazes![wpsc_products category_url_name=’spectrum-raku-4-oz-jars’]